How to use the blockcypher.api.get_wallet_transactions function in blockcypher

puts(colored.red('You may dump all your addresses and private keys while offline by selecting option 0 on the home screen.'))
        return

    mpub = wallet_obj.serialize_b58(private=False)
    if not wallet_obj.private_key:
        print_pubwallet_notice(mpub=mpub)
        return

    coin_symbol = str(coin_symbol_from_mkey(mpub))
    verbose_print(coin_symbol)

    wallet_name = get_blockcypher_walletname_from_mpub(
            mpub=mpub,
            subchain_indices=[0, 1],
            )
    wallet_details = get_wallet_transactions(
            wallet_name=wallet_name,
            api_key=BLOCKCYPHER_API_KEY,
            coin_symbol=coin_symbol,
            )
    verbose_print(wallet_details)

    if wallet_details['final_balance'] == 0:
        puts(colored.red("0 balance. You can't send funds if you don't have them available!"))
        return

    mpriv = wallet_obj.serialize_b58(private=True)

    if not destination_address:
        display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
        puts('\nWhat %s address do you want to send to?' % display_shortname)
        puts('Enter "b" to go back.\n')

puts(colored.red('You may dump all your addresses and private keys while offline by selecting option 0 on the home screen.'))
        return

    mpub = wallet_obj.serialize_b58(private=False)
    if not wallet_obj.private_key:
        print_pubwallet_notice(mpub=mpub)
        return

    coin_symbol = str(coin_symbol_from_mkey(mpub))
    verbose_print(coin_symbol)

    wallet_name = get_blockcypher_walletname_from_mpub(
            mpub=mpub,
            subchain_indices=[0, 1],
            )
    wallet_details = get_wallet_transactions(
            wallet_name=wallet_name,
            api_key=BLOCKCYPHER_API_KEY,
            coin_symbol=coin_symbol,
            )
    verbose_print(wallet_details)

    if wallet_details['final_balance'] == 0:
        puts(colored.red("0 balance. You can't send funds if you don't have them available!"))
        return

    mpriv = wallet_obj.serialize_b58(private=True)

    if not destination_address:
        display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
        puts('\nWhat %s address do you want to send to?' % display_shortname)
        puts('Enter "b" to go back.\n')

puts(colored.red('BlockCypher connection needed to find transactions related to your addresses.'))
        puts(colored.red('You may dump all your addresses while offline by selecting option 0.'))
        return

    local_tz = get_localzone()

    # Show overall balance info
    display_balance_info(wallet_obj=wallet_obj)

    mpub = wallet_obj.serialize_b58(private=False)
    wallet_name = get_blockcypher_walletname_from_mpub(
            mpub=mpub,
            subchain_indices=[0, 1],
            )

    wallet_details = get_wallet_transactions(
            wallet_name=wallet_name,
            api_key=BLOCKCYPHER_API_KEY,
            coin_symbol=coin_symbol_from_mkey(mpub),
            )
    verbose_print(wallet_details)

    # TODO: pagination for lots of transactions

    txs = wallet_details.get('unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])

    if txs:
        for tx_object in flatten_txns_by_hash(txs, nesting=False):
            if tx_object.get('confirmed_at'):
                tx_time = tx_object['confirmed_at']
            else:
                tx_time = tx_object['received_at']

puts(colored.red('BlockCypher connection needed to find transactions related to your addresses.'))
        puts(colored.red('You may dump all your addresses while offline by selecting option 0.'))
        return

    local_tz = get_localzone()

    # Show overall balance info
    display_balance_info(wallet_obj=wallet_obj)

    mpub = wallet_obj.serialize_b58(private=False)
    wallet_name = get_blockcypher_walletname_from_mpub(
            mpub=mpub,
            subchain_indices=[0, 1],
            )

    wallet_details = get_wallet_transactions(
            wallet_name=wallet_name,
            api_key=BLOCKCYPHER_API_KEY,
            coin_symbol=coin_symbol_from_mkey(mpub),
            )
    verbose_print(wallet_details)

    # TODO: pagination for lots of transactions

    txs = wallet_details.get('unconfirmed_txrefs', []) + wallet_details.get('txrefs', [])

    if txs:
        for tx_object in flatten_txns_by_hash(txs, nesting=False):
            if tx_object.get('confirmed_at'):
                tx_time = tx_object['confirmed_at']
            else:
                tx_time = tx_object['received_at']